Muffler.



MUIPFLER APPLIGATIOE FILED MAY 24, 1910.

Patented 1390.27, 1913.

WTNESSES: Jaarw/,yg l 6W L 27 UNITED Srneie minnie onnion.

MUFFLER.

eeoeei.

efition of Letters Patent.

Application filed Muy 24, 19M). Serial No. 563,05?.

To all 'ae/tom 'it' may; concern:

Be it known tiret I.A loinY il...

of (leoivgifiioxvn. in the eonniy of Scott :intl Stute oli lenlnelfy,lieve in xentetl zi new unil linproi'etl Mnl'llee, oi wliiel'i theAlollfm'ine is n full, clear, z'nfl exaetfdescription.

The object ol Ille invention is to provide n new intl improved nnilller,for use in eoirneetion Willi steam engine, internel eoi'n onelionenginesy :intl the like, :incl zirrzniejetl to eleetively innllle theexlmnet nitliont protlneing'beelc prt v ire in the engine eylint'ler,nntl to Vprevent injury to or tleetrnetion olf the nnitllei' in euse ofneeiflenlnl explosion in the innlller. i

In order to eeeoinplieli the desired reinlt, use meile oi :i shellpro\f'i lecl with :in inlet :intl :in outlet, l bri-Hilgerextending intothe inlet, :mgl si' pevlorzite baille in tlie'efliell op ilse alsonnitle oli ineens @wir posite tlie inlet. ilior automatically relievingvthe eessive pressure. Snell ieprotlrieetl by plosion within tlienlnlller.

A practical embodiment oi the invention ie represented in tlie:iet-,onion:lying drew# ings forming :i port. el tliie speeilieiition,in

wliieli similar elmrnelers of roiierenee indim'zte corresponclingpart's'in both Views.

Fignre'l a pliinyiew of tlie innlller, parte being :shown in seeti 1igenl Fig is an enlarged crees neetinn of tlie Sinne on the line .22 of Fig.il..

, 'l'lie shell o'l tlie niillller if; prefernbly infinie cylindrical:intl in Ser'lione l'ioltetl together, und on one Sitle oli tlie sliellnre :ii'rengetl epzieetl inlets; lil eonnectejl Willi tlie etilinnnt,enil on tlie opposite Sido oi; tlie sliell are errnne'etl other, withthe apex of the plates npproxif mately et the middle of thecorrespontlineif inlet B. The baille D is provided with :i breakerextending into tlie eorrwipontling inlet- B, intl tliis breaker is:formell oil.t n plete E e tenclingl Centrally within tlie inlet B undprovided et opposite :tunes with (ley eetors F, :wronged in zigzagfashion, :is plainly indicated in lligs. l und 22. Now, by thearrangement described, the exlmnsjt pose 'Il f limoen, :i i 'wf citizenot the liniletl boites. and n resilient o li exabove tleser'il outlets Clim/int; per! 'liet-ated ends or en 15S C', :is plainly nulieixlgitl ing.troni the engine through the inlet'` l, tiret eneoiintereI tlieln'ezilzer und then 'the perfor-nte lie-ille D, so that the exhaust" is:eplit up :intl Sile-need or tlemlenetl intl finally nissen tlirontlithe outlet C into the nir. witliontproducing nntliie noise.

is nnfleretwtl that the obliq1ielj lie posed lmlilen D i'eeflilydistribute the lianel' within the eliell A, intel( presanre .in theeylintlet' of the engine.

The liemls (l et the entls oi. tlie cylinder A are provided withperforated riine G, slidnoly eiignginn' tlie shell A, :it theinsitleliereof; nml tlironggli tlie leliell El, the baille-.el lf) nntltlie lientle lf extends eentraliy roti H, provide-tl et its outer entlswith nuts l., on which bean? the outer ends of Springs il, pressing*with 'their inner enfile on the outer 'linee-e of 'llie beetle (l, neplainly indicated in Fig. l.. 'llie springs; J norn'ielly l'ioltl thelieetls G in e. eloisetl ponition, iS shown in i7 l, butin cese en.eeeitlentnl exiilosion tolte@ plane Within the shell 1i., then. the pre#Sure' ineitlent to tlie exploeion moves the lientle (l outwardly, sothat tlie perointionfe of the runs ti open into the zur, tlius allow ingtlie products of combustion incident to the exl'iloeion lo puse intotlie'zni', thereby relievine tlie Jv v I .I i I I in v, j time newenmngtlie. aliell ,iroin being mieren or destroyed.

'lt is nntlersiooti that time Springe l yieltlingly liolel tlie liezitistlf in pince, lint sillon' outward movement tlieroot` in ot el eeeeivepresssnre within tlie Sliell It, to relieve tile letter oit' suoliexcessive pieseiire es itl. ,ily adjusting tlie nnte l, the tension o'..ne .epi-inne l may be .ii'ierensetl or tliniinifilietl to snitexisting` Conditions.

lxlnving time (leserilietl iny invention, l el im es new :rml (lenire toSecure by Lettere Patent: v

i. A mulli'er, eoniprisii'ipf :i shell, a tubular inlet opening into theshell, 'an outlet leafling" lrorn the Sllell, e breaker Within the twbillar inlet, sind a transverse perforete lmflle inthe Shell oppositeseid inlet.

2. A inutiler, comprising' n Shell, :in inlet entering: the eliell etone Side, :in outlet lendi to prevent: i

.iell oi.E nntlne preeffsnre, and` ing; frein the Shell et the oppositeSicle en l ont of regie/ler with tlie Said inlet, and bei! le in theforni of oblique pertoizite plates extending t zlnsif'ereely witlnn theshell :intl

lle ofthe Seid inlet. l

3. A mueller. eomiiriemo ,fi shell. im 'inlet entering the shell at oneside, an outlet leading from the shell at the opposite side and out ofregister with the said inlet, a baille in the form of oblique perforateplates eXn tending transversely Within the shell and having their apexapproximately at the middle of the said inlet, and a breaker extend ingfrom the said battle into the inlet.

4. A inutller, comprising a shell, an inlet entering the shell at oneside, an outlet leading from the shell at the 0p osite side and ont 01"'register with the said` inlet, a baffle in the form of oblique perforateplates extending transversely Within the shell and having their apexapproximately at the middle of the said inlet, and a breaker extendingfrom the said baille into the inlet, each breaker having a plate, anddelieeting llanges extending obliquely on the plate.

5. A inuiller, Comprising a shell, an inlet entering the shell at oneside, an outletleadingr from the shell at theopposite side and out ofregister with the said inlet, a baille in the form of'oblique perforateplates extending transversely Within the shell and having their apexapproximately at the middle of the said inlet, and a breaker extendingfrom the said baille into the inlet, each breaker having a plate, anddeilectors arranged Zivzag on each face of the plate.

G. A; inn er, comprising a shell, heads having perforate rims slidableon the ends or' the shell7 a rod extending through the shell and heads,and springs on the rods outside of the heads and pressing the latterinto closed position.

In testimony whereof i' have signed my name to this speeiiication in thepresence of two subscribing Witnesses.

JOHN ARCHIBALD CARRICK.

lVitne'sses Jorim C. NICHOLS, W. H3 COTTRELL.

